a = 'zero'
w = 'one'
e = 'two'
r = 'three'
s = 'four'
d = 'five'
f = 'six'
z = 'seven'
x = 'eight'
c = 'nine'
q = input()
if a not in q or w not in q or e not in q or r not in q or s not in q or d not in q or f not in q or z not in q \
        or x not in q or c not in q:
    print('Wrong input')
